3 steps to open file with FM3 extension

Usually solving problems with FM3 file is simple – just install proper software and open the file. Read the guide and open FM3 file now!

FM3 File Extension

File
  • File type Lotus 1-2-3 Spreadsheet Format
  • File developer IBM
  • File category Settings Files
  • File popularity rating
    • Star
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How to open FM3 file?

There could be multiple reasons for which the system does not support given file. In the case of FM3 extension, it is probable that none of the installed programs support given file type. Therefore, user should undertake the following steps

Step 1: Install a program that supports FM3 files

If an application that supports FM3 files is installed on user’s system, but is not used to open such files by default, right-click on the file icon and choose "Open with" option from the menu. Next, select the proper application and check the "Always use the selected application to open this kind of files" box. The system will store this information in its registry and use the selected program to open files with FM3 extension by default.

Hint for Mac OS users

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For Mac OS users the procedure is analogous – open the file menu by right-clicking on the FM3 file and choose "Information" option and select "Open with program" option. From the submenu select an application and click on "Change all" button.

Step 2: Find and download proper software

Inability to open FM3 files may also be related to the lack of any application that supports given file being installed on the system. Should that be the case, user needs to download and install one of the following applications. Once installed, the system will automatically associate newly installed application with FM3 files. If this step fails, see step 1.

Programs that support files with FM3 extension

Step 3: Check the FM3 file for errors

Sometimes, although relatively rarely, steps 1 and 2 might not lead to expected results. There can be several reasons for such situation to occur:

  • FM3 file has been downloaded from the internet but for some reason it is incomplete. In such case the file should be re-downloaded and opened again.
  • Structure of given FM3 file could be corrupted and as such the program is not able to open the file
  • Storage medium on which the file was stored is damaged
  • It is important to ascertain that the icon representing given file is not a shortcut a related FM3 file no longer present in the location to which the shortcut points
  • If the user account has restricted access privileges it is advised to contact the system administrator or an IT expert

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